Fits: 4150/4160, Holley Carbs
Vacuum Secondary Spring, Steel, Black, Each
Quick-Change Housing Material:
Quick-Change Housing Finish:
Sold as a kit.
If you've ever fine-tuned the vacuum secondary spring on your Holley carburetor, then you know what a pain it can be to keep disassembling the housing. These AED vacuum secondary quick-change kits with springs allow you to quickly change vacuum advance springs for quick and easy tuning between rounds.